AI PDF Summarizer

This automated n8n workflow accepts PDF documents via webhook and generates intelligent summaries by breaking down content into distinct topics with detailed insights. It uses Open AI to analyze documents and returns structured markdown summaries, making it perfect for document processing, research analysis, and content extraction tasks.

Yes, it’s completely free to use. You don’t need to sign up or create an account to start summarizing PDFs.

If your document exceeds either the 10MB file size limit or 20-page limit, you'll receive an error response with the message: "Unable to parse document. Please ensure file is less than 10mb with maximum of 20 pages."

You can summarize one PDF directly on the website without any sign-up. If you need to summarize more, simply sign up for n8n and connect your own AI model. From there, the limits will depend on the AI service or model you choose to integrate.

OpenAI Chat Model provides high-accuracy document analysis, but results depend on document quality, text clarity, and content complexity. The AI excels at identifying distinct topics and generating relevant insights from well-structured documents.

Each webhook request processes one PDF at a time. For batch processing, send multiple individual requests to the webhook endpoint with appropriate rate limiting to avoid overwhelming the service. Or create your own n8n workflow that would support batch PDF summarization!

No, only text content is extracted and analyzed from PDFs. Images, charts, diagrams, tables, or any visual elements within the PDF are ignored during processing. If your document contains important information in image format (like graphs or scanned text), that content won't be included in the AI-generated summary.

The workflow is compatible with any model accessible via API, including OpenAI (GPT), Mistral, Groq, Gemini, or self-hosted LLMs. You can easily swap models in the AI Agent or HTTP Request nodes.

n8n is a source-available workflow automation tool designed for technical users. With over 300 pre-built integrations and a general connector for anything with an API, n8n enables you to connect anything to everything. With n8n you can move beyond simple one-step integrations to build multi-step workflows that integrate your tools exactly the way you want.

Yes. With n8n, you can fully automate the workflow — trigger PDF summarization based on incoming documents, dynamically adjust summary parameters, post-process the output, and route summaries to storage, email, or external platforms.